The Indian Grandmaster won the 18-player tournament by a two-point margin over nearest rival Levon Aronian of Armenia.
Igor Andreev took Russia to their second successive Davis Cup final by beating Philipp Kohlschreiber in the fifth and deciding rubber.
Argentina reached the Davis Cup final for the second time as victory in the doubles gave them an unassailable 3-0 lead over Australia.
Defending champion Rafael Nadal has pulled out of next week's China Open because of an ankle injury.
The sixth seeds beat fourth seeds Paul Hanley of Australia and Kevin Ullyett of Zimbabwe in a nail-biting men's doubles semi-final at the US Open.
He possessed an IQ of 180, higher than Albert Einstein's, but his life and career took unexpectedly bizarre routes. Dhruv Munjal salutes the strange genius of Bobby Fischer.
The Indo-Belgian pair lost 4-6, 4-6 to Leos Friedl and Mikhail Youzhny in the men's doubles first round.
Greg Rusedski bid a muted goodbye to Canadian tennis fans with a 6-4, 6-2 loss to Russian Mikhail Youzhny.
Top seed Ivan Ljubicic was the only seed to reach the quarter-finals of the Zagreb indoor tournament
Marat Safin has withdrawn from the Russia team for the Davis Cup quarter-final against France with a knee injury
'It was exciting and this is why I came to New York, to go through these emotions'
They were beaten by Frederic Niemeyer of Canada and Glenn Weiner of the US in the first round at Wimbledon.
Acknowledging that the trial against oil tycoon Mikhail Khodorkovsky had lowered trust in Russian economy, Moscow on Wednesday said the Yukos case was a "serious lesson", which should never be repeated.
Ukrainian fourth seed Elina Svitolina powered into the third round of the U.S. Open with a 6-4, 6-4 win against Russian Evgeniya Rodina on Thursday.
Defending champion Novak Djokovic was handed a tough opening round at Wimbledon when Friday's draw paired him with Germany's Philipp Kohlschreiber.
India's Rohan Bopanna and his Pakistani partner Aisam Qureshi crashed out of the US Open after going down fighting in the men's doubles first round contest at the Flushing Meadows in New York.
Both scored straight-set victories in Friday's semi-finals.
The Australian Open champion will lead Russia in next month's Davis Cup World Group opening round tie against Chile.
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Former US Open champion Juan Martin del Potro's comeback from a lengthy injury layoff was cut short by Kazakhstan qualifier Mikhail Kukushkin in the quarter-finals of the Sydney international on Thursday.
The Indo-Czech pair beat second seeds Mark Knowels and Daniel Nestor in the semi-finals.
Haas had earlier defeated Russia's Mikhail Youzhny with an identical 6-4, 6-3 score.
The Israeli GM drew first blood in the fight for 5-8 places, beating the Belgian GM in the first game of the two-game mini-match in the World Chess Cup.
A court on Tuesday declared tycoon Mikhail Khodorkovsky guilty of an array of charges including fraud and tax evasion, and sentenced him to nine years in prison minus the time served.
Grandmaster and former national champion B Adhiban beat Brazilian Grandmaster Alexander Fier in the second round and advance to the third round of the chess World Cup in Tromso, Norway, on Thursday
The Indian ace beat Englishman Michael Adams via the tie-breaker to enter the final of the Corsica Masters.
The Indo-Belarussian pair beat Argentina's Martin Garcia and Sebastian Prieto at Flushing Meadows.
Substitute Dmitry Tursunov beat Andy Roddick in an epic five-set battle to seal a Russian victory over the United States.
Bob and Mike Bryan beat Mikhail Youzhny and Dmitry Tursunov in the doubles to enable the United States pull back 1-2 in their Davis Cup semi-final against Russia.
The Indo-Czech pair beat Leos Friedl of the Czech Republic and Mikhail Youzhny of Russia in the quarter-finals at the US Open.
Roger Federer beat Russian Mikhail Youzhny at the Dubai Open on Saturday.
